CN211865826U - Double-shaft double-rotor powder concentrator - Google Patents
Double-shaft double-rotor powder concentrator Download PDFInfo
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- CN211865826U CN211865826U CN202020273095.5U CN202020273095U CN211865826U CN 211865826 U CN211865826 U CN 211865826U CN 202020273095 U CN202020273095 U CN 202020273095U CN 211865826 U CN211865826 U CN 211865826U
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Abstract
The utility model belongs to the technical field of the selection powder machine, specifically disclose a biax birotor selection powder machine, including the selection powder case, selection powder case tangential is connected with a plurality of whirlwind section of thick bamboos, selection powder bottom of the case portion is the first discharge gate of two toper, first discharge gate bifurcation department is equipped with mounting platform, be equipped with first buncher in the middle of the mounting platform, first buncher is connected with first rotor through first vertical main shaft in the top, first rotor below is equipped with the inner cone, the inner cone passes through well middlings pipe connection with the second discharge gate, selection powder roof portion is equipped with second buncher, second buncher below is connected with second rotor and spreader through the vertical main shaft of second. The utility model discloses a set up two rotors of connecting different buncher in the selection powder machine and realized that the selection powder machine is faster, more efficient selection powder effect.
Description
Technical Field
The utility model belongs to the technical field of the selection powder machine, concretely relates to biax birotor selection powder machine.
Background
The double-rotor powder concentrator is mechanical equipment applied to cement production, can sieve and select cement, dispels large solid granular impurities doped in the cement, and adopts the double-rotor powder concentrator to sort the cement, so that the efficiency of cement processing is improved.
The existing double-rotor powder concentrator generally rotates at the same rotating speed or rotates at a certain rotating speed ratio by two rotors, and can not completely realize the classification of materials with different particle sizes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the double-shaft double-rotor powder concentrator has the advantages that two rotating speeds of the existing double-rotor powder concentrator are consistent or the rotating speed ratio is unchanged, the separation efficiency is not high, and the double-shaft double-rotor powder concentrator is provided and is independently controlled by the rotating speeds of the two motors.
The utility model discloses a following technical scheme realizes, a biax birotor selection powder machine, including the selection powder case, selection powder case upper end tangential is connected with a plurality of whirlwind section of thick bamboos, selection powder bottom of the case portion is the first discharge gate of two toper, first discharge gate bifurcation department is equipped with mounting platform, be equipped with first buncher in the middle of the mounting platform, first buncher top is connected with first rotor through first vertical main shaft, first rotor below is equipped with the inner cone, the inner cone passes through well middlings pipe connection with the second discharge gate, the position that selection powder case side is less than the inner cone is equipped with the air intake, selection powder roof portion is equipped with second buncher, second buncher below is connected with second rotor and spreader disk through the vertical main shaft of second.
Further, the first rotor comprises an upper ring plate, a lower ring plate, an upper rotor blade and a lower rotor blade, the number of the upper rotor blade and the lower rotor blade is a plurality, the upper rotor blade and the lower rotor blade are uniformly distributed along the circumference of the upper ring plate and the lower ring plate, the upper rotor blade, the lower rotor blade and the lower ring plate are sequentially connected through hinges, a telescopic inner shaft is arranged at the tail end of the first vertical spindle, the upper ring plate is fixedly connected with the inner shaft through an upper connecting rod, the lower ring plate is fixedly connected with the first vertical spindle through a lower connecting rod, the relative position of the upper ring plate and the lower ring plate is changed through the telescopic inner shaft, so that the effective classification area formed when the upper rotor blade and the lower rotor blade rotate is changed, when the area is larger, the classification circulation times of medium coarse powder and coarse powder are more, the fine powder is less, and the powder selection efficiency is higher, the smaller the area is, the fewer the number of grading circulation times is, so that the powder selecting speed is improved, and the powder can be adjusted according to the field requirement.
Further, the first rotor is in an inverted cone shape, the diameter of the upper ring plate is larger than that of the lower ring plate, and the upper rotor blades are shorter than the lower rotor blades.
Further, the inner shaft is connected with an electric push rod fixed in the first vertical main shaft.
Furthermore, the first vertical main shaft penetrates through the middle coarse powder pipeline, in order to prevent the leakage of the middle coarse powder, the middle coarse powder pipeline comprises a vertical pipe and an inclined pipe, a horizontal mounting hole is formed in the contact position of the inclined pipe and the first vertical main shaft, and a trapezoidal groove and a sealing felt ring are arranged in the horizontal mounting hole.
Further, in order to prevent the blockage of the medium coarse powder pipeline, a plurality of scraping plates are arranged on the circumference of the first vertical main shaft, and the scraping plates are positioned above the horizontal mounting hole.
Furthermore, in order to ensure that the second rotor has higher powder selection efficiency, the second rotor is a cage-shaped rotor, and air guide blades are arranged on the outer side of the second rotor and fixedly connected with the powder selection box.
The utility model has the advantages that:
1. the utility model provides a biax birotor selection powder machine, two rotors of first rotor, second rotor are equipped with to selection powder machine inside, and two rotors pass through the different buncher of hub connection, and two rotors can rotate with the rotational speed of difference respectively, and do not receive the interference between two rotors when rotating, biax birotor hierarchical selection powder machine can grade the material of input according to two standards, can once only select two particle size rank's powder, improve the work efficiency of selection powder machine greatly.
2. First rotor includes crown plate, lower crown plate, last rotor blade and rotor blade down, first vertical main shaft end is equipped with the interior axle of telescopic, changes the relative position of crown plate and lower crown plate through interior axle is flexible to the effective classification area who forms when having changed last rotor blade and rotor blade rotation down, when the area is big more, the classification cycle number of times of well middlings and middlings is just more, wherein contain farine just less more, it will uprise to select powder efficiency, the area is little more, the classification cycle number of times is just less, thereby the speed of selecting powder has been improved, consequently, can adjust according to the on-the-spot needs, the suitability is wider.
Drawings
Fig. 1 is a schematic structural view of a double-shaft double-rotor powder concentrator of the present invention;
fig. 2 is a cross-sectional view of a first rotor according to the present invention;
fig. 3 is a top view of the upper ring plate according to the present invention;
fig. 4 is a top view of the lower ring plate according to the present invention;
fig. 5 is a schematic structural view of the contact position between the horizontal mounting hole and the first vertical spindle.
In the figure: 1, selecting powder; 11 a first discharge port; 12, mounting a platform; 13 an inner cone; 14 a second discharge port; 15 medium coarse powder pipeline; 151 a riser; 152 an inclined tube; 153 horizontal mounting holes; 154 trapezoidal grooves; 155 sealing felt; 16 air inlets; 2, a cyclone cylinder; 3 a first speed regulating motor; 4 a first vertical spindle; 41 an inner shaft; 42 an electric push rod; 43 a scraper; 5 a first rotor; 51, an upper ring plate; 52 lower ring plate; 53 rotor blades; 54 rotor blades; 55 an upper connecting rod; 56 lower connecting rods; 6 a second speed regulating motor; 7 a second vertical spindle; 8 a second rotor; 9, spreading a material plate; 10 wind guide blades.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, a double-shaft double-rotor powder concentrator includes a powder concentrating box 1, the upper end of the powder concentrating box 1 is tangentially connected with a plurality of cyclones 2, the bottom of the powder concentrating box 1 is provided with two conical first discharge ports 11, a mounting platform 12 is arranged at the bifurcation position of the first discharge ports 11, a first speed regulating motor 3 is arranged in the middle of the mounting platform 12, the upper part of the first speed regulating motor 3 is connected with a first rotor 5 through a first vertical spindle 4, an inner cone 13 is arranged below the first rotor 5, the inner cone 13 is connected with a second discharge port 14 through a middle coarse powder pipeline 15, an air inlet 16 is arranged at a position lower than the inner cone 13 on the side surface of the powder concentrating box 1, a second speed regulating motor 6 is arranged at the top of the powder concentrating box 1, and a second rotor 8 and a material scattering disk 9 are connected below the second speed regulating motor 6 through a second vertical spindle 7.
In practical application, the first rotor 5 comprises an upper ring plate 51, a lower ring plate 52, upper rotor blades 53 and lower rotor blades 54, the number of the upper rotor blades 53 and the lower rotor blades 54 is several, the upper rotor blades 53 and the lower rotor blades 54 are uniformly distributed along the circumference of the upper ring plate 51 and the lower ring plate 52, the upper ring plate 51, the upper rotor blades 53, the lower rotor blades 54 and the lower ring plate 52 are sequentially connected through hinges, the end of the first vertical spindle 4 is provided with a telescopic inner shaft 41, the upper ring plate 51 is fixedly connected with the inner shaft 41 through an upper connecting rod 55, the lower ring plate 52 is fixedly connected with the first vertical spindle 4 through a lower connecting rod 56, the relative position of the upper ring plate 51 and the lower ring plate 52 is changed through the telescopic inner shaft 41, so that the effective grading area formed when the upper rotor blades 53 and the lower rotor blades 54 rotate is changed, when the area is larger, the grading circulation number of medium coarse powder and coarse powder is larger, the powder selecting efficiency is improved as the fine powder is more contained, and the grading circulation frequency is reduced as the area is smaller, so that the powder selecting speed is improved, and the powder selecting speed can be adjusted according to the field requirement.
In practical applications, the first rotor 5 has an inverted cone shape, the diameter of the upper ring plate 51 is larger than that of the lower ring plate 52, and the upper rotor blades 53 are shorter than the lower rotor blades 54.
In practical applications, the inner shaft 41 is connected to an electric push rod 42 fixed in the first vertical main shaft 4.
In practical application, the first vertical main shaft 4 penetrates through the middle coarse powder pipeline 15, in order to prevent the middle coarse powder from leaking, the middle coarse powder pipeline 15 comprises a vertical pipe 151 and an inclined pipe 152, a horizontal mounting hole 153 is formed at the contact position of the inclined pipe 152 and the first vertical main shaft 4, and a trapezoidal groove 154 and a sealing felt 155 are formed in the horizontal mounting hole 153.
In practical application, in order to prevent the coarse powder pipeline from being blocked, the first vertical main shaft 4 is provided with a plurality of scrapers 43 on the circumference, and the scrapers 43 are positioned above the horizontal mounting hole 153.
In practical application, in order to ensure that the second rotor 8 has higher powder separation efficiency, the second rotor 8 is a cage-shaped rotor, and the outer side of the second rotor 8 is provided with air guide blades 10 fixedly connected with the powder separation box 1.
The utility model discloses a theory of operation:
when the double-shaft double-rotor powder concentrator is used, materials to be sorted are placed into a powder sorting box 1 through a feeding port according to the graph shown in figure 1, the materials are scattered by a material scattering disk 10 and meet ascending air flow, qualified fine powder enters a cyclone cylinder 2 along with the air flow to be collected under the action of a second rotor 8, coarse materials are discharged from a first discharging port 11 under the action of a first rotor 5, the fine powder is discharged from a second discharging port 14 through an inner cone 13 under the first rotor 5, the two rotors are connected with different speed regulating motors through shafts and can rotate at different rotating speeds respectively, the two rotors do not interfere with each other when rotating, the double-shaft double-rotor powder concentrator can classify the input materials according to two standards, powder with two particle size grades can be sorted at one time, and the working efficiency of the powder concentrator is greatly improved.
The first rotor 5 comprises an upper ring plate 51, a lower ring plate 52, upper rotor blades 53 and lower rotor blades 54, the telescopic inner shaft 41 is arranged at the tail end of the first vertical spindle 4, the relative positions of the upper ring plate 51 and the lower ring plate 52 are changed through the telescopic inner shaft 41, so that the effective classification area formed when the upper rotor blades 53 and the lower rotor blades 54 rotate is changed, when the area is larger, the classification circulation times of medium coarse powder and coarse powder are more, the fine powder is less, the powder selection efficiency is higher, when the area is smaller, the classification circulation times are less, so that the powder selection speed is improved, the adjustment can be performed according to the field requirements, and the applicability is wider.
To sum up, the utility model discloses a set up two rotors of connecting different buncher in the selection powder machine and realized that the selection powder machine is faster, more efficient selection powder effect.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (7)
1. The utility model provides a biax birotor selection powder machine which characterized in that: comprises a powder selecting box (1), a plurality of cyclones (2) are tangentially connected at the upper end of the powder selecting box (1), the bottom of the powder selecting box (1) is provided with two conical first discharge ports (11), a mounting platform (12) is arranged at the bifurcation of the first discharge ports (11), a first speed regulating motor (3) is arranged in the middle of the mounting platform (12), a first rotor (5) is connected above the first speed regulating motor (3) through a first vertical main shaft (4), an inner cone (13) is arranged below the first rotor (5), the inner cone (13) is connected with the second discharge hole (14) through a medium coarse powder pipeline (15), an air inlet (16) is arranged at the position of the side surface of the powder selecting box (1) lower than the inner cone (13), the powder selecting box (1) is provided with a second speed regulating motor (6) at the top, and a second rotor (8) and a material spreading disc (9) are connected below the second speed regulating motor (6) through a second vertical spindle (7).
2. The dual-shaft dual-rotor powder concentrator according to claim 1, wherein: the first rotor (5) comprises an upper ring plate (51), a lower ring plate (52), upper rotor blades (53) and lower rotor blades (54), the number of the upper rotor blades (53) and the number of the lower rotor blades (54) are a plurality of, the upper ring plate (51) and the lower ring plate (52) are uniformly distributed along the circumference of the upper ring plate (51) and the circumference of the lower ring plate (52), the upper ring plate (51), the upper rotor blades (53), the lower rotor blades (54) and the lower ring plate (52) are sequentially connected through hinges, a telescopic inner shaft (41) is arranged at the tail end of the first vertical spindle (4), the upper ring plate (51) is fixedly connected with the inner shaft (41) through an upper connecting rod (55), and the lower ring plate (52) is fixedly connected with the first vertical spindle (4) through a lower connecting rod (56).
3. The dual-shaft dual-rotor powder concentrator of claim 2, wherein: the diameter of the upper ring plate (51) is larger than that of the lower ring plate (52), and the upper rotor blades (53) are shorter than the lower rotor blades (54).
4. The dual-shaft dual-rotor powder concentrator of claim 2, wherein: the inner shaft (41) is connected with an electric push rod (42) fixed in the first vertical main shaft (4).
5. The dual-shaft dual-rotor powder concentrator according to claim 1, wherein: the medium coarse powder pipeline (15) comprises a vertical pipe (151) and an inclined pipe (152), a horizontal mounting hole (153) is formed in the contact position of the inclined pipe (152) and the first vertical main shaft (4), and a trapezoidal groove (154) and a sealing felt ring (155) are arranged in the horizontal mounting hole (153) and used for preventing medium coarse powder from leaking.
6. The dual-shaft dual-rotor powder concentrator of claim 5, wherein: the first vertical main shaft (4) is provided with a plurality of scraping plates (43) on the circumference, and the scraping plates (43) are positioned on the horizontal mounting holes (153).
7. The dual-shaft dual-rotor powder concentrator according to claim 1, wherein: the second rotor (8) is a cage-shaped rotor, and air guide blades (10) are arranged on the outer side of the second rotor (8) and fixedly connected with the powder selecting box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273095.5U CN211865826U (en) | 2020-03-07 | 2020-03-07 | Double-shaft double-rotor powder concentrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273095.5U CN211865826U (en) | 2020-03-07 | 2020-03-07 | Double-shaft double-rotor powder concentrator |
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| CN211865826U true CN211865826U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020273095.5U Active CN211865826U (en) | 2020-03-07 | 2020-03-07 | Double-shaft double-rotor powder concentrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602634A (en) * | 2022-03-22 | 2022-06-10 | 江苏吉能达环境能源科技有限公司 | Double-rotor superfine powder concentrator |
-
2020
- 2020-03-07 CN CN202020273095.5U patent/CN211865826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602634A (en) * | 2022-03-22 | 2022-06-10 | 江苏吉能达环境能源科技有限公司 | Double-rotor superfine powder concentrator |
| CN114602634B (en) * | 2022-03-22 | 2023-09-05 | 江苏吉能达环境能源科技有限公司 | Double-rotor superfine powder selecting machine |
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